package com.jn.algorithm.拼多多.q2021.question2;

import java.util.Arrays;
import java.util.Scanner;

/**
 * @author 江南大学1033190417
 * @date 2022/5/19 21:51
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int n=scanner.nextInt();
        String input=scanner.next();
        String output=scanner.next();
        char[] chars = input.toCharArray();
        Arrays.sort(chars);
    }
}
